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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Copyright (C) 2008-2009 Sun Microsystems, Inc.
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* Copyright (C) 2010 Jay Pipes
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* Jay Pipes <jaypipes@gmail.com>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef DRIZZLED_PLUGIN_TRANSACTION_REPLICATOR_H
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#define DRIZZLED_PLUGIN_TRANSACTION_REPLICATOR_H
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#include <drizzled/plugin/replication.h>
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#include <drizzled/plugin/plugin.h>
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#include <drizzled/visibility.h>
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* @file Defines the API for a TransactionReplicator.
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* All a replicator does is replicate/reproduce
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* events, optionally transforming them before sending them off to a TransactionApplier.
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* An applier is responsible for applying events, not a replicator...
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class TransactionApplier;
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* Class which replicates Transaction messages
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class DRIZZLED_API TransactionReplicator : public Plugin
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TransactionReplicator();
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TransactionReplicator(const TransactionReplicator &);
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TransactionReplicator& operator=(const TransactionReplicator &);
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explicit TransactionReplicator(std::string name_arg)
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: Plugin(name_arg, "TransactionReplicator")
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virtual ~TransactionReplicator() {}
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* Replicate a Transaction message to a TransactionApplier.
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* It is important to note that memory allocation for the
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* supplied pointer is not guaranteed after the completion
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* of this function -- meaning the caller can dispose of the
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* supplied message. Therefore, replicators and appliers
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* implementing an asynchronous replication system must copy
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* the supplied message to their own controlled memory storage
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* @param Pointer to the applier of the command message
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* @param Transaction message to be replicated
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virtual ReplicationReturnCode replicate(TransactionApplier *in_applier,
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message::Transaction &to_replicate)= 0;
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static bool addPlugin(TransactionReplicator *replicator);
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static void removePlugin(TransactionReplicator *replicator);
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} /* namespace plugin */
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} /* namespace drizzled */
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#endif /* DRIZZLED_PLUGIN_TRANSACTION_REPLICATOR_H */
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-*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Definitions required for Configuration Variables plugin
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* Copyright (C) 2008 Mark Atwood
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef DRIZZLED_PLUGIN_REPLICATOR_H
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#define DRIZZLED_PLUGIN_REPLICATOR_H
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typedef struct replicator_st
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/* todo, define this api */
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/* this is the API that a replicator plugin must implement.
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it should implement each of these function pointers.
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if a function returns bool true, that means it failed.
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if a function pointer is NULL, that's ok.
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bool (*session_init)(Session *session);
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bool (*row_insert)(Session *session, Table *table);
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bool (*row_update)(Session *session, Table *table,
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const unsigned char *before,
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const unsigned char *after);
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bool (*row_delete)(Session *session, Table *table);
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bool (*end_transaction)(Session *session, bool autocommit, bool commit);
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bool (*statement)(Session *session, const char *query, size_t query_length);
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#endif /* DRIZZLED_PLUGIN_REPLICATOR_H */